Commit 8c4c5a61 authored by Jim Fulton's avatar Jim Fulton

Fixed: newTransaction was being called in open even in explicit-transaction mode.

parent 48d96cc9
......@@ -902,6 +902,7 @@ class Connection(ExportImport, object):
# New code is in place. Start a new cache.
self._resetCache()
if not self.explicit_transactions:
# This newTransaction is to deal with some pathalogical cases:
#
# a) Someone opens a connection when a transaction isn't
......@@ -915,8 +916,10 @@ class Connection(ExportImport, object):
# b) Lots of tests assume that connection transaction
# information is set on open.
#
# Fortunately, this is a cheap operation. It doesn't really
# cost much, if anything.
# Fortunately, this is a cheap operation. It doesn't
# really cost much, if anything. Well, except for
# RelStorage, in which case it adds a server round
# trip.
self.newTransaction(None, False)
transaction_manager.registerSynch(self)
......
......@@ -1323,7 +1323,25 @@ class TestConnection(unittest.TestCase):
db.close()
def test_explicit_transactions_no_newTransactuon_on_afterCompletion(self):
db = ZODB.DB(None)
syncs = []
from .MVCCMappingStorage import MVCCMappingStorage
storage = MVCCMappingStorage()
new_instance = storage.new_instance
def new_instance2():
inst = new_instance()
sync = inst.sync
def sync2(*args):
sync()
syncs.append(1)
inst.sync = sync2
return inst
storage.new_instance = new_instance2
db = ZODB.DB(storage)
del syncs[:] # Need to do this to clear effect of getting the
# root object
# We don't want to depend on latest transaction package, so
# just set attr for test:
......@@ -1331,8 +1349,7 @@ class TestConnection(unittest.TestCase):
tm.explicit = True
conn = db.open(tm)
syncs = []
conn._storage.sync = syncs.append
self.assertEqual(len(syncs), 0)
conn.transaction_manager.begin()
self.assertEqual(len(syncs), 1)
conn.transaction_manager.commit()
......@@ -1342,17 +1359,18 @@ class TestConnection(unittest.TestCase):
conn.transaction_manager.abort()
self.assertEqual(len(syncs), 2)
conn.close()
db.close()
self.assertEqual(len(syncs), 2)
# For reference, in non-explicit mode:
db = ZODB.DB(None)
conn = db.open()
self.assertEqual(len(syncs), 3)
conn._storage.sync = syncs.append
conn.transaction_manager.begin()
self.assertEqual(len(syncs), 3)
conn.transaction_manager.abort()
self.assertEqual(len(syncs), 4)
conn.transaction_manager.abort()
self.assertEqual(len(syncs), 5)
conn.close()
db.close()
class StubDatabase:
......
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